Processing Machinery
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LDPE Hopper Management
Fenómeno do problema
If the LDPE hopper is not cleaned for a long time, black specks appear.
Análise das causas
Material accumulated in dead spots oxidizes; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; This mechanism has been repeatedly verified by industry literature and should be confirmed first during troubleshooting.
Solução
Regularly clean the hopper; avoid long-term material storage; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability; Change only one variable at a time and record parameter changes to facilitate locating effective measures.
Conclusão principal
Regular hopper cleaning prevents oxidation; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; Incorporate this case into the defect archive as a troubleshooting reference for similar future problems.
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